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COMSPHERE 392xPlus Modems
5-12 November 1996 3920-A2-GN31-30
Table 5-2
(7 of 9)
392x
Plus
AT Commands
AT
Command
DCP LCD
Command
Sequence
Description
&T
n
Tests.
&T0 Abort. Stops any test in progress.
&T1 Local Analog Loop.
&T2 Pattern. Transmits and receives a 511 Bit Error Rate Test (BERT).
&T3 Local Digital Loopback test.
&T4 Enables Receive Remote Loopback Response configuration option.
&T5 Disables Receive Remote Loopback Response configuration option.
&T6 Remote Digital Loopback test.
&T7 Remote Digital Loopback with Pattern.
&T8 Local Loopback with Pattern.
&T9 Self-Test.
Test
&T4 and &T5:
Configure\Edit\
Tests
&V
n
View Configuration Options. Displays each configuration group within the Active
(Operating), Active (Saved), Customer 1, and Customer 2 configuration areas as
well as the telephone numbers stores in directory locations 1–24.
&V0 Active (Operating) configuration options.
&V1 Active (Saved) configuration options.
&V2 Customer 1 configuration options.
&V3 Customer 2 configuration options.
&V4 Directory locations 1–24.
None
&W
n
Write (Save to Memory). Saves the current configuration options in Active
(Operating) to one of three configuration areas:
&W0 Saved to Active(Save).
&W1 Saved to Customer 1.
&W2 Saved to Customer 2.
Configure\Save
&X
n
Transmit Clock Source.
&X0 Internal. Modem provides transmit clock source for synchronous data
(Pin 15).
&X1 External. Modem derives external transmit clock source provided on
Pin 24 for synchronous data.
&X2 Receive Clock Loop. Modem derives transmit clock source from
receive signal for synchronous data (Pin 17).
Configure\Edit\
DTE Interface